Since there is no action verb, I am positive that the answer is Predicate Nominative, because there is a linking verb (is) but no action. Direct and Indirect objects require action/
The answer is <u>extraordinary</u> because out of all the other words, it it's more positive. Outlandish, strange, and unusual would put a negitive impact on the sentence.
<em>The aye-aye is one of the most </em><u><em>extraordinary</em></u><em> looking creatures on earth.</em>
In 2003, Patterson was appointed chief justice of a "Special Supreme Court" that tried the case of Alabama Chief Justice Roy Moore, who appealed his removal from office after he had refused to remove a monument of the Ten Commandments from the courthouse despite orders from a federal court judge to do so.